The unification of the East and West German states in 1990 initiated the integration of two distinct innovation systems. In this process, the poorly functioning socialist system of East Germany adopted the formal institutions and organization of West Germany, a western-style market economy. We...

We investigate the geographic concentration of patenting in large cities using a sample of 14 developed countries. There is wide dispersion of the share of patented inventions in large metropolitan areas. South Korea and the US are two extreme outliers where patenting is highly concentrated in...

Popular theories claim that innovation activities should be located in large cities because of more favorable environmental conditions that are absent in smaller cities or remote and rural areas. Germany provides a clear counterexample to such theories. We argue that a main force behind the...

We investigate the causal relationship between inventor migration and regional innovation in the context of the large-scale migration shock from East to West Germany between World War II and the construction of the Berlin Wall in 1961. Leveraging a newly constructed, century-spanning dataset on...

We investigate the causal relationship between inventor migration and regional innovation in the context of the large-scale migration shock from East to West Germany between World War II and the construction of the Berlin Wall in 1961. Leveraging a newly constructed, century-spanning dataset on...

We investigate the role of entrepreneurship culture and the historical knowledge base of a region on current levels of new business formation in innovative industries. The analysis is for German regions and covers the time period 1907-2014. We find a pronounced positive relationship between high...